Clarify that get_num_bits_different deals with integers #25

	name: CI

	on:
	push:
	pull_request:
	workflow_dispatch:

	jobs:
	test_ubuntu_python2:
	runs-on: ubuntu-22.04
	strategy:
	fail-fast: false
	steps:
	- uses: actions/checkout@v3

	- name: Set up Python
	run: \|
	sudo apt-get install python2 python-pip

	- name: Install requirements
	run: \|
	pip2 install --upgrade pip
	pip2 install pytest pytest-cov Pillow Wand

	- name: Run tests
	run: \|
	python2 -m doctest dhash.py
	python2 -m pytest --cov=dhash test.py

	test_ubuntu_python3:
	runs-on: ubuntu-22.04
	strategy:
	matrix:
	python-version: ['3.8', '3.9', '3.10', '3.11']
	fail-fast: false
	steps:
	- uses: actions/checkout@v3

	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install requirements
	run: \|
	pip install --upgrade pip
	pip install pytest pytest-cov Pillow Wand

	- name: Run tests
	run: \|
	python -m doctest dhash.py
	python -m pytest --cov=dhash test.py

	test_windows_and_macos:
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [windows-latest, macos-latest]
	python-version: ['2.7', '3.8', '3.9', '3.10', '3.11']
	fail-fast: false
	steps:
	- uses: actions/checkout@v3

	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install requirements
	run: \|
	pip install --upgrade pip
	pip install pytest pytest-cov Pillow Wand

	- name: Run tests
	run: \|
	python -m doctest dhash.py
	python -m pytest --cov=dhash test.py

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